code: def setUp(self):
      ray.init()
  
file_path: ray/rllib_contrib/apex_ddpg/tests/test_apex_ddpg.py
imports: import unittest
  import pytest
  from rllib_apex_ddpg.apex_ddpg.apex_ddpg import ApexDDPGConfig
  import ray
  from ray.rllib.utils.test_utils import check, check_compute_single_action, check_train_results, framework_iterator
label_desc: Use image node_id 1 for calling the TestApexDDPG obj's underlying member method code with example usage: obj.setUp() without return types